"Brie is really interested in art and the meaning of certain colors, especially as they relate to art – so we did our research along with the Prada team on the meanings of the colors that were utilized in her final look," Kim tells Pret-a-Reporter. "We wanted our interpretation of theme to be strong -- a New Age modern woman. Something that represented armor, almost in a Joan of Arc kind of way." He added: "Her look was actually made out of fabric that had woven metal!"

To round out her fierce image, the actress wore a Gaydamak yellow gold and diamond hand bracelet "because we thought it would look like pieces that accompanied her armor-like look," explains Kim, who also styled the 24-year-old during this year's awards season. The final touches? Prada black pumps and clutch.

Kim adds: "We put forth our interpretation and definition of a modern woman, mixed with the classic elegance and structure of Charles James, to ultimately end up with a phenomenally chic and New Age look."

Kim shares an exclusive video -- compiled using Flipagram, the app that turns smartphone-snapped photos into a 15-second slideshow with music -- of Larson's first Met Gala experience with Pret-a-Reporter. Watch it below.